By analyzing each error source of power meter calibration device, the uncertainty of power meter calibration device is analyzed and calculated with mathematical statistics and experimental method.
通过对电能表校验装置的各项误差源的分析，利用数理统计和实验方法对电能表校验装置的不确定度进行分析和计算。
A tethered float ultrasonic power meter has been built. Its measuring principle, design, calibration, error analysis and advantages are described in this paper.
本文说明所研制的悬链式超声功率计的基本原理、结构设计、校准、误差及其优点。
TA field calibration method for power metering device is given. By calibrating the error of the reactive power metering, the error of active power metering can be indirectly calibrated.
本文给出了一种电能计量装置现场校验的方法，通过对三相电能表无功计量误差的校验，可以间接地求得其表计的有功计量误差。
TA field calibration method for power metering device is given. By calibrating the error of the reactive power metering, the error of active power metering can be indirectly calibrated.
本文给出了一种电能计量装置现场校验的方法，通过对三相电能表无功计量误差的校验，可以间接地求得其表计的有功计量误差。
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